Query XML: Earliest year in which orders were placed : Query « XML LINQ « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. XML LINQ
3. Query

using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml.Linq;
using System.Text;

    class Program
    {
        static void Main(string[] args)
        {
            string xmlFileName = "e.xml";
            XDocument customers = XDocument.Load(xmlFileName);

            var queryResults =
                from c in customers.Descendants("order").Attributes("orderYear")
                select c.Value;                      
            Console.WriteLine("Earliest year in which orders were placed: {0}", queryResults.Min());
           
        }
    }